package pattern.structural.facade;

/**
 * @author: chaoyang.ren  
 * @date:Jul 4, 2017  
 * @time:3:51:16 PM   
 * @email:chaoyang.ren@foxmail.com  
 * @version: 1.0
 */
public class Disk {  
    
    public void startup(){  
        System.out.println("disk startup!");  
    }  
      
    public void shutdown(){  
        System.out.println("disk shutdown!");  
    }  
} 

